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GB/T 23191-2023 Chinese PDF (GB/T23191-2023) GB/T 45237-2025 English versions: GB/T 45256-2025

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English versions: GB/T 45256-2025

3-2024_Chinese: Iron ores - Experimental methods for checking the precision of sampling (Chinese: 铁矿石 校核取样精密度的实验方法)

GB/T 45385-2025_Chinese: Safety and control devices for gas burners and gas-burning appliances - Particular requirements - Vent valves (Chinese: 燃气燃烧器和燃烧器具用安全和控制装置 特殊要求 排气阀)

English versions: GB/T 14795-2023

GB/T 23191-2023 Chinese PDF (GB/T23191-2023) GB/T 45237-2025 English versions: GB/T 45256-2025GB T 23191 2023_Chinese: King bolete (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 23191 2023

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